def Query(self, query, filters, orders):
"""Perform a query on this pseudo-kind.
Args:
query: the original datastore_pb.Query
filters: the filters from query
orders: the orders from query
Returns:
A query cursor to iterate over the query results, or None if the query
is invalid.
"""
namespace_range = datastore_stub_util.ParseNamespaceQuery(
query, filters, orders)
app_str = query.app()
namespace_entities = []
namespaces = self._stub._DatastoreSqliteStub__namespaces
for app_id, namespace in sorted(namespaces):
if app_id == app_str and namespace_range.Contains(namespace):
if namespace:
ns_id = namespace
else:
ns_id = datastore_types._EMPTY_NAMESPACE_ID
namespace_entities.append(
MakeEntityForQuery(query, self.name, ns_id))
return datastore_stub_util._ExecuteQuery(namespace_entities, query, [],
[], [])
def Query(self, entities, query, filters, orders):
"""Perform a query on this pseudo-kind.
Args:
entities: all the app's entities.
query: the original datastore_pb.Query.
filters: the filters from query.
orders: the orders from query.
Returns:
(results, remaining_filters, remaining_orders)
results is a list of entity_pb.EntityProto
remaining_filters and remaining_orders are the filters and orders that
should be applied in memory
"""
namespace_range = datastore_stub_util.ParseNamespaceQuery(
query, filters, orders)
app_str = query.app()
namespaces = set()
for app_namespace, _ in entities:
(app_id,
namespace) = datastore_types.DecodeAppIdNamespace(app_namespace)
if app_id == app_str and namespace_range.Contains(namespace):
namespaces.add(namespace)
namespace_entities = []
for namespace in namespaces:
if namespace:
namespace_e = datastore.Entity(self.name,
name=namespace,
_app=query.app())
else:
namespace_e = datastore.Entity(
self.name,
id=datastore_types._EMPTY_NAMESPACE_ID,
_app=query.app())
namespace_entities.append(namespace_e._ToPb())
return (namespace_entities, [], [])
